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Finding the Fourth Proportional to 493,657.72, 681,246.66 and 267,303.88

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Solution

The fourth proportional to 493,657.72, 681,246.66 and 267,303.88 is: 368,878.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,657.72 : 681,246.66 = 267,303.88 : x
  2. Step 2: Convert to fraction form
    493,657.72/681,246.66 = 267,303.88/x
  3. Step 3: Cross multiply
    493,657.72x = 681,246.66 × 267,303.88
  4. Step 4: Simplify right side
    493,657.72x = 182,099,875,455.04
  5. Step 5: Solve for x
    x = 182,099,875,455.04/493,657.72
  6. Step 6: Final answer
    x = 368,878.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.